Home / 28,031.22-42,066.54-25,351.32

Finding the Fourth Proportional to 28,031.22, 42,066.54 and 25,351.32

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Solution

The fourth proportional to 28,031.22, 42,066.54 and 25,351.32 is: 38,044.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,031.22 : 42,066.54 = 25,351.32 : x
  2. Step 2: Convert to fraction form
    28,031.22/42,066.54 = 25,351.32/x
  3. Step 3: Cross multiply
    28,031.22x = 42,066.54 × 25,351.32
  4. Step 4: Simplify right side
    28,031.22x = 1,066,442,159.08
  5. Step 5: Solve for x
    x = 1,066,442,159.08/28,031.22
  6. Step 6: Final answer
    x = 38,044.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.